.ss-container {
    max-width: 650px;
    margin: 40px auto;
    padding: 30px;
    background: #ffffff;
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    color: #333;
}

.ss-container h3 {
    font-size: 24px;
    margin-bottom: 20px;
    color: #ff9800;
}

#ss-input {
    width: 100%;
    height: 100px;
    padding: 10px;
    font-size: 16px;
    border: 1px solid #ddd;
    border-radius: 6px;
    margin-bottom: 20px;
    box-sizing: border-box;
}

.ss-options {
    margin-bottom: 20px;
}

.ss-label {
    font-weight: bold;
    margin-bottom: 5px;
    display: block;
}

.ss-separator-group,
.toggle-group {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.separator-btn,
.toggle-btn,
#custom-separator {
    width: 50px;
    height: 42px;
    line-height: 42px;
    min-width: 90px;
    text-align: center;
    font-size: 16px;
    padding: 0 14px;
    border: 1px solid #ccc;
    border-radius: 6px;
    background-color: #f5f5f5;
    color: #999;
    transition: all 0.2s ease;
    cursor: pointer;
    display: inline-flex;
    justify-content: center;
    align-items: center;
}

.separator-btn.active,
.toggle-btn.active,
#custom-separator.active {
    background-color: #f57c00;
    color: white;
    border-color: #bf5f00;
}

#custom-separator-label {
    font-weight: bold;
    margin-left: 10px;
    display: flex;
    align-items: center;
}

button {
    background-color: #ff9800;
    color: white;
    border: none;
    padding: 12px 24px;
    font-size: 16px;
    border-radius: 6px;
    cursor: pointer;
    transition: background-color 0.3s ease;
    margin-top: 15px;
}

button:hover {
    background-color: #e68900;
}

#ss-warning {
    color: red;
    font-weight: bold;
    margin-top: 10px;
}

#ss-output {
    white-space: pre-wrap;
    background: #ffffff;
    color: #222;
    padding: 15px;
    border: 1px solid #ccc;
    border-radius: 6px;
    font-size: 16px;
    margin-top: 20px;
}